MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 638bfb452ad5c2ce2bc9aab6a7dd65665b886d79abd1ce66e617d33781036764. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 638bfb452ad5c2ce2bc9aab6a7dd65665b886d79abd1ce66e617d33781036764
SHA3-384 hash: 1066f05dc20f9977e6484747a0dc940436d62000650ece320c08e7955c2e3d590c7b38a3db3998b7907e97421d4095eb
SHA1 hash: 139448c6c1b92988b1914fac83f40af287c95d63
MD5 hash: 29953bbec2d7a4c58c31a034efc8e7be
humanhash: orange-may-beryllium-mountain
File name:mapper.exe
Download: download sample
File size:155'136 bytes
First seen:2025-05-16 22:11:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c43a23fdc659ff0c38c8a234b154ad4c
ssdeep 3072:ref+LkSVYYSHWUnkXlfLa12D3H1M7CPizU312D3H1M7CPizU0jqZqe:re24tYS2Ik1WQr1M7rU3Qr1M7rU0jqZ
TLSH T1CAE36C53626415FDD19BD239CAAB5A66F771B846032287CF039082761EB2BD07F3E352
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter skocherhan
Tags:exe vgszf


Avatar
skocherhan
https://github.com/vgszf/download_fn/blob/main/mapper.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
482
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mapper.exe
Verdict:
No threats detected
Analysis date:
2025-05-16 22:13:41 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc pup
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1692464 Sample: mapper.exe Startdate: 17/05/2025 Architecture: WINDOWS Score: 48 10 Multi AV Scanner detection for submitted file 2->10 6 mapper.exe 1 2->6         started        process3 process4 8 conhost.exe 6->8         started       
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-05-16 22:12:13 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Verdict:
Malicious
Tags:
maldriver
YARA:
VULN_PUA_GIGABYTE_Driver_Jul22_1_RID318F
Unpacked files
SH256 hash:
638bfb452ad5c2ce2bc9aab6a7dd65665b886d79abd1ce66e617d33781036764
MD5 hash:
29953bbec2d7a4c58c31a034efc8e7be
SHA1 hash:
139448c6c1b92988b1914fac83f40af287c95d63
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:VULN_PUA_GIGABYTE_Driver_Jul22_1
Author:Florian Roth (Nextron Systems)
Description:Detects a vulnerable GIGABYTE driver sometimes used by malicious actors to escalate privileges
Reference:https://twitter.com/malmoeb/status/1551449425842786306

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::RtlInitAnsiString
ntdll.dll::RtlInitUnicodeString
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
ntdll.dll::NtQuerySystemInformation
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA

Comments